Mitsubishi Electronics WD-52528, WD-62527, WD-62528 guide

MODELS: WD-52527 / WD-52528 / WD-62527 / WD-62528

Lamp, Engine & Fan Protect Circuitry

TV Guide On® Screen Block Diagram

Page 59

Image 59

Mitsubishi Electronics specifications Models WD-52527 / WD-52528 / WD-62527 / WD-62528

Contents

2005 Page Contents Model WD-52527 / WD-52528 / WD-62527 / WD-62528 Servicing use only recommended Lead-Free solder refer to Characteristics Safety Precautions SCREEN-ASSY Removal Speaker Grille Removal Metal Support Plate Removal BACK-COVER Removal Clamp Release Cable Clamps & Disconnect CE ConnectorChassis Mounting Screws Removal Chassis removal from the Cabinet On the right side of the chassis from the rearAC Cord J8F01FC Complete Chassis Removal Chassis Sequence of Disassembly Assy PWB- Terminal Removal Figure Chassis Cover Removal 1 Remove the 4 screws a Chassis Upper Shield Removal Figure PWB-POWER Removal Figure PWB-MICRO Removal Referring to Figure Chassis Rear Shield Removal Figure PWB-DM Removal Figure PWB-RISER and PWB-FORMAT Removal Referring to Figure Light Engine and Associated Components Light Engine Replacement Preliminary Light Engine Removal ProcedureLight Engine Rear View Remove two screws c from Fan Plate and remove Model WD-52527 / WD-52528 / WD-62527 / WD-62528 Installation Lenticular Screen and Fresnel Lens Removal Servicing the Lenticular Screen and Fresnel Lens Bezel Removal Front View Installing the Fresnel Lens & Lenticular Screen Lenticular Screen and Fresnel Lens Installation Option Menu LED Indicator Diagnostics AV Reset Defaults Error Codes Activating the Adjustment Mode Remote Control Operational ModesTwo Electrical Adjustments Two Mechanical Adjustment Saving Data Adjustment SelectionAdjusting Data Terminating the circuit adjustment mode Light Engine Adjustments Counter Clockwise Rotation Needed Trapezoid Distortion AdjustmentRotation Adjustment Clockwise Rotation Needed Format Circuit Horizontal/Vertical Position Adjust- ment Micro / Terminal PWB Troubleshooting Power PWB Troubleshooting LCD Engine Internal Layout Lamp Protect Line Pb-Free Display Pb Solder Chip Parts Removal Transistors ReplacementChip Parts Removal Resistors, Capacitors, etc Parts Tolerance Codes Critical and Warranty Parts DesignationParts Ordering Quick Reference for Common Parts Ref # Part Name & Description Integrated Circuits Diodes Transistors Chip UDZS3.9B Coils CORE-FERRITE ZBF503D-01 L9D06 L9D00L9D02 Capacitors TransformersVariable Resistors Resistors C9A14 C9A10CER AC250V E2200P-M C9A13 Miscellaneous Switches Cosmetic Parts AccessoriesPrinted Circuit Boards WD-52528 Screen PartsRef # Part Name & Description WD-525427 WD-62527 Screen Assembly Exploded View Models WD-52527 / WD-52528 / WD-62527 / WD-62528 Lamp Ballast DC Supply Fans Power Supply Analog Video Signal Path Digital Video Signal Path Sound Signal Path Command Input Circuitry Serial Control Lines Lamp Control Circuitry Shutter Control Models WD-52527 / WD-52528 / WD-62527 / WD-62528 Models WD-52527 / WD-52528 / WD-62527 / WD-62528 PWB-DM AC-OFF Detect Audio Supply SwitchContents Doubler Circuit TO/FROM Riser To Sensors & Fans To Ballast ContentsChassis To Shutter Control To DM Board Sdram Address BUSSdram Data BUS FMT Board Input BUS Control Sdram Address T883C446 MODEL/GROUP Numbers M306V7FGFP#U0SN74CBTD1G125DBVR TC7SA 08FU SN74LVC1G125DBVR SYSTEM-5 MicroSYS5 SN74HC132DB A05FP Video Switching R1XC R0XCTmdspgnd Rsvda DVI-1 DVI-2 TA to Signal PWB VID-SWINPUT1 COMP-1 COMP-2 UPC3221GV IF+ TO/FROM Interface TO/FROM Power TC7SET08F M306H2FCFPAX823MEUK To PWB-TERMINAL